Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D307647 | Automatic fire extinguisher | Yasuo Yamamura, Yukio Akatsu | 1990-05-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D307647 | Automatic fire extinguisher | Yasuo Yamamura, Yukio Akatsu | 1990-05-01 |